EP0205884A1 - Fraise à bois - Google Patents

Fraise à bois Download PDF

Info

Publication number
EP0205884A1
EP0205884A1 EP86106504A EP86106504A EP0205884A1 EP 0205884 A1 EP0205884 A1 EP 0205884A1 EP 86106504 A EP86106504 A EP 86106504A EP 86106504 A EP86106504 A EP 86106504A EP 0205884 A1 EP0205884 A1 EP 0205884A1
Authority
EP
European Patent Office
Prior art keywords
knife
knives
cutter
cutting edge
tool according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86106504A
Other languages
German (de)
English (en)
Other versions
EP0205884B1 (fr
Inventor
Peter Landtwing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pela AG Werkzeugfabrik
Original Assignee
Pela AG Werkzeugfabrik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pela AG Werkzeugfabrik filed Critical Pela AG Werkzeugfabrik
Priority to AT86106504T priority Critical patent/ATE53786T1/de
Publication of EP0205884A1 publication Critical patent/EP0205884A1/fr
Application granted granted Critical
Publication of EP0205884B1 publication Critical patent/EP0205884B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
    • B27B33/20—Edge trimming saw blades or tools combined with means to disintegrate waste

Definitions

  • Wood milling tools according to the preamble of claim 1 are known from prior use. These tools are relatively limited in their application.
  • the object of the present innovation is to develop a tool according to the preamble of claim 1 in such a way that it can be used in many ways. This object is achieved by the characterizing features of claim 1.
  • the wood milling tool shown comprises a disk-shaped carrier 1 with a central bore 2 for clamping onto the mandrel of a machine tool.
  • two grooves 20 for receiving a reversible knife 5 and a clamping wedge 21 are milled offset to the radial direction, so that the knife 5 cuts with a pulling cut.
  • two further grooves 30 are milled, offset by 90 ° with respect to the grooves 20, for each additional turning knife 6 with a clamping wedge 31.
  • Four additional grooves 40, 50 are milled on the peripheral surface 9 of the carrier 1 to receive four further knives 7, 8 with clamping wedges 41, 51, two knives 7 each with the axially outermost part 47 of their cutting edge 42 facing the end face 3 in
  • the circumferential direction is offset with the radially outermost part of the cutting edge 22 of the knife 5, ie that when milling, the surface machined by knife 5 merges seamlessly into the surface machined by knife 7.
  • the outermost part 57 of the cutting edge 52 of the knife 8 facing the end face 4 is offset in the circumferential direction with the radially outermost part of the cutting edge 32 of the knife 6.
  • the knives 7, 8 also have an axis angle (not shown), so that they have a pulling angle Cut cut.
  • the knife 5 is positioned against the bottom of the groove 20 and secured by a screw 23 against displacement outwards under the action of centrifugal force.
  • the wedge 21 engages with pins 24 in bores 25 of the knife 5 which rest radially on the outside against the bores 25 and thus also secure the wedge 21 against displacement under the action of the centrifugal force.
  • the wedge 21 is clamped against the knife 25 by Allen stud screws 26.
  • the knife 6 is positioned in the groove 30, secured by a screw 33, and the wedge 31 is tightened by stud bolts.
  • the wedge 31 also engages with pins in bores 35 of the knife 6.
  • the knife 7 is also positioned by a stop at the bottom of the groove 40.
  • the wedge 41 engages with a pin 44 in a form-fit manner in a bore 45 of the knife 7.
  • a stud screw 46 with a flat end face clamps the wedge 41 against the knife 7.
  • the wedge action between the end face of the screw 46 and the knife surface secures the wedge 41 and thus also the knife 7 against the action of the centrifugal force.
  • a screw 43 serves as a stop in the axial direction.
  • Knife 8 positioned in the base of the groove 50 and by a stop against a screw 53 and braced by means of a stud screw acting on the wedge 51.
  • the knife 5 has a kinked cutting edge 22, the knife 6, on the other hand, has an S-shaped curved cutting edge 32.
  • the cutting edges 42, 52 of the knives 7 and 8 have a stepped outline.
  • the axially outermost part 47, 57 of the cutting edges 42, 52 is aligned with the radially outermost part of the cutting edges 22 and 32, respectively.
  • the illustrated design of the tool allows the workpiece to be machined either with the top or the bottom of the tool when the tool is firmly clamped and rotating about a vertical axis, the workpiece being pushed through above or below the tool.
  • the different types of knives allow several different profile shapes to be produced per side, depending on the depth of cut, four profile shapes per side in the example shown.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling Processes (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Drilling Tools (AREA)
EP86106504A 1985-05-13 1986-05-13 Fraise à bois Expired - Lifetime EP0205884B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86106504T ATE53786T1 (de) 1985-05-13 1986-05-13 Holzfraeswerkzeug.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8514057U 1985-05-13
DE8514057U DE8514057U1 (de) 1985-05-13 1985-05-13 Holzfräswerkzeug

Publications (2)

Publication Number Publication Date
EP0205884A1 true EP0205884A1 (fr) 1986-12-30
EP0205884B1 EP0205884B1 (fr) 1990-05-02

Family

ID=6781034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106504A Expired - Lifetime EP0205884B1 (fr) 1985-05-13 1986-05-13 Fraise à bois

Country Status (3)

Country Link
EP (1) EP0205884B1 (fr)
AT (1) ATE53786T1 (fr)
DE (2) DE8514057U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994001258A1 (fr) * 1992-07-06 1994-01-20 Josef Sperl Outil de fraisage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH58468A (de) * 1911-12-29 1913-03-17 Lennartz Geb Fräser
DE830409C (de) * 1950-10-21 1952-02-04 Boettcher & Gessner Verfahren zur Bearbeitung laengerer Zapfen in Querholz

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH58468A (de) * 1911-12-29 1913-03-17 Lennartz Geb Fräser
DE830409C (de) * 1950-10-21 1952-02-04 Boettcher & Gessner Verfahren zur Bearbeitung laengerer Zapfen in Querholz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994001258A1 (fr) * 1992-07-06 1994-01-20 Josef Sperl Outil de fraisage

Also Published As

Publication number Publication date
DE3670787D1 (de) 1990-06-07
EP0205884B1 (fr) 1990-05-02
ATE53786T1 (de) 1990-06-15
DE8514057U1 (de) 1985-06-20

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